diff --git a/src/etc/inc/plugins.inc.d/kea.inc b/src/etc/inc/plugins.inc.d/kea.inc
index a64113d44..c403d0eac 100644
--- a/src/etc/inc/plugins.inc.d/kea.inc
+++ b/src/etc/inc/plugins.inc.d/kea.inc
@@ -115,7 +115,10 @@ function kea_configure_do($verbose = false)
     $keaDhcpv4 = new \OPNsense\Kea\KeaDhcpv4();
     if ($keaDhcpv4->isEnabled()) {
         service_log('Sync KEA DHCP config...', $verbose);
-        $keaDhcpv4->generateConfig();
+        if ($keaDhcpv4->general->manual_config->isEmpty()) {
+            /* skip kea-dhcp4.conf when configured manually */
+            $keaDhcpv4->generateConfig();
+        }
         (new \OPNsense\Kea\KeaCtrlAgent())->generateConfig();
         service_log("done.\n", $verbose);
     }
diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Kea/forms/generalSettings4.xml b/src/opnsense/mvc/app/controllers/OPNsense/Kea/forms/generalSettings4.xml
index 182df08c3..ae929167c 100644
--- a/src/opnsense/mvc/app/controllers/OPNsense/Kea/forms/generalSettings4.xml
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Kea/forms/generalSettings4.xml
@@ -1,7 +1,7 @@
 <form>
     <field>
         <type>header</type>
-        <label>General settings</label>
+        <label>Service</label>
     </field>
     <field>
         <id>dhcpv4.general.enabled</id>
@@ -9,6 +9,17 @@
         <type>checkbox</type>
         <help>Enable DHCPv4 server.</help>
     </field>
+    <field>
+        <id>dhcpv4.general.manual_config</id>
+        <label>Manual config</label>
+        <type>checkbox</type>
+        <advanced>true</advanced>
+        <help>Disable configuration file generation and manage the file (/usr/local/etc/kea/kea-dhcp4.conf) manually.</help>
+    </field>
+    <field>
+        <type>header</type>
+        <label>General settings</label>
+    </field>
     <field>
         <id>dhcpv4.general.interfaces</id>
         <label>Interfaces</label>
diff --git a/src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv4.xml b/src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv4.xml
index 83c935a78..876e93268 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv4.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/Kea/KeaDhcpv4.xml
@@ -8,6 +8,7 @@
                 <Default>0</Default>
                 <Required>Y</Required>
             </enabled>
+            <manual_config type="BooleanField"/>
             <interfaces type="InterfaceField">
                 <Multiple>Y</Multiple>
             </interfaces>
diff --git a/src/opnsense/mvc/app/views/OPNsense/Kea/dhcpv4.volt b/src/opnsense/mvc/app/views/OPNsense/Kea/dhcpv4.volt
index 09450dcf1..8b06347df 100644
--- a/src/opnsense/mvc/app/views/OPNsense/Kea/dhcpv4.volt
+++ b/src/opnsense/mvc/app/views/OPNsense/Kea/dhcpv4.volt
@@ -130,14 +130,36 @@
             }
         });
 
+        /* Manual configuration, hide all config elements except the service section*/
+        $("#dhcpv4\\.general\\.manual_config").change(function(){
+            let manual_config = $(this).is(':checked');
+            if (manual_config) {
+                if (!$("#show_advanced_frm_generalsettings").hasClass('fa-toggle-on')) {
+                    /* enforce advanced mode so the user notices the checkbox */
+                    $("#show_advanced_frm_generalsettings").click();
+                }
+                $(".is_managed").hide();
+            } else {
+                $(".is_managed").show();
+            }
+            $("#settings").find('table').each(function(){
+                if (manual_config && $(this).find('#dhcpv4\\.general\\.manual_config').length == 0) {
+                    $(this).hide();
+                } else {
+                    $(this).show();
+                }
+            });
+        });
+
+
     });
 </script>
 
 <ul class="nav nav-tabs" data-tabs="tabs" id="maintabs">
     <li class="active"><a data-toggle="tab" href="#settings" id="tab_settings">{{ lang._('Settings') }}</a></li>
-    <li><a data-toggle="tab" href="#subnets" id="tab_pools"> {{ lang._('Subnets') }} </a></li>
-    <li><a data-toggle="tab" href="#reservations" id="tab_reservations"> {{ lang._('Reservations') }} </a></li>
-    <li><a data-toggle="tab" href="#ha-peers" id="tab_ha-peers"> {{ lang._('HA Peers') }} </a></li>
+    <li><a data-toggle="tab" href="#subnets" id="tab_pools" class="is_managed"> {{ lang._('Subnets') }} </a></li>
+    <li><a data-toggle="tab" href="#reservations" id="tab_reservations" class="is_managed"> {{ lang._('Reservations') }} </a></li>
+    <li><a data-toggle="tab" href="#ha-peers" id="tab_ha-peers" class="is_managed"> {{ lang._('HA Peers') }} </a></li>
 </ul>
 <div class="tab-content content-box">
     <!-- general settings  -->